Linux连接Internet
Linux连接Internet
[root@www ~] # dmesg | grep -in eth 377:e1000: eth0: e1000_probe: Intel( R ) PRO/1000 Network Connection 383:e1000: eth1: e1000_probe: Intel( R ) PRO/1000 Network Connection 418:e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX 419:eth0: no IPv6 routers present |
[root@www ~] # lsmod | grep 1000 e1000 119381 0 <==确实已经加载到内核中 [root@www ~] # modinfo e1000 filename: /lib/modules/2.6.32-71.29.1.el6.x86_64/kernel/drivers/net/e1000/e1000.ko version: 7.3.21-k6 -NAPI license: GPL description: Intel( R ) PRO/1000 Network Driver .....(以下省略)..... |
[root@www ~] # vim /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 <==接口名称 HWADDR=08:00:27:71:85:BD <==网卡MAC地址 ONBOOT=yes <==是否开机启动 BOOTPROTO=static <==取得 IP 的方式,static静态分配 IPADDR=192.168.1.100 <== IP地址 NETMASK=255.255.255.0 <==子网掩码 GATEWAY=192.168.1.254 <==网关 [root@www ~] #service network restart |
[root@www ~] # vim /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 HWADDR=08:00:27:71:85:BD ONBOOT=yes BOOTPROTO=dhcp <==dhcp自动获取 [root@www ~] #service network restart |
[root@www ~] # vim /etc/resolv.conf nameserver 114.114.114.114 nameserver 8.8.8.8 |
[root@www ~] # vim /etc/sysconfig/network NETWORKING=yes HOSTNAME=www.centos.vbird [root@www ~] # vim /etc/hosts 192.168.1.100 www.centos.vbird |
[root@www ~] #reboot <==修改完主机名需要重启电脑生效 |
[root@www ~] # rpm -q rp-pppoe <==查看系统有没有安装rp-pppoe rp -pppoe -3.10-8.el6.x86_64 <==已经安装 |
[root@www ~] # mount /dev/cdrom /mnt [root@www ~] # cd /mnt/Packages [root@www ~] # rpm -ivh rp-pppoe* ppp* |
[root@www ~] # yum -y install rp-pppoe* ppp* |
[root@www ~] # vim /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO=static IPADDR=192.168.1.1 NETMASK=255.255.255.0 ONBOOT=yes |
[root@www ~] # pppoe-setup Welcome to the PPPoE client setup. First, I will run some checks on your system to make sure the PPPoE client is installed properly... LOGIN NAME (填写从ISP处取得的账号) Enter your Login Name (default root): T1234567 # 注意这个账号名称是 ISP 分配的 INTERFACE (ADSL 调制解调器所接的网卡代号) Enter the Ethernet interface connected to the PPPoE modem For Solaris, this is likely to be something like /dev/hme0. For Linux, it will be ethX, where 'X' is a number. (default eth0): eth0 Enter the demand value (default no): no DNS (填写ISP分配的 DNS) Enter the DNS information here: 168.95.1.1 Enter the secondary DNS server address here: <==若无第二台就按 enter PASSWORD (从 ISP 取得的密码) Please enter your Password: <==输入密码两次,屏幕不会有星号 * Please re -enter your Password: USERCTRL (要不要让一般用户启动与关闭?最好是不要) Please enter 'yes' (three letters, lower -case .) if you want to allow normal user to start or stop DSL connection (default yes): no FIREWALLING (防火墙方面,先取消,稍后我们根据需求自己定义) The firewall choices are: 0 - NONE: This script will not set any firewall rules. You are responsible for ensuring the security of your machine. You are STRONGLY recommended to use some kind of firewall rules. 1 - STANDALONE: Appropriate for a basic stand -alone web -surfing workstation 2 - MASQUERADE: Appropriate for a machine acting as an Internet gateway for a LAN Choose a type of firewall (0-2): 0 Start this connection at boot time (要不要开机立即启动拨号程序?) Do you want to start this connection at boot time? Please enter no or yes (default no): yes ** Summary of what you entered ** Ethernet Interface: eth0 User name: T1234567 Activate -on -demand : No Primary DNS: 168.95.1.1 Firewalling: NONE User Control: no Accept these settings and adjust configuration files (y/n)? y Adjusting /etc/sysconfig/network -scripts /ifcfg-ppp0 Adjusting /etc/resolv.conf (But first backing it up to /etc/resolv.conf.bak) Adjusting /etc/ppp/chap -secrets and /etc/ppp/pap -secrets (But first backing it up to /etc/ppp/chap -secrets .bak) (But first backing it up to /etc/ppp/pap -secrets .bak) |
[root@sky ~] # /etc/init.d/network restart <==启动拨号上网 |
[root@sky ~] # pppoe-stop [root@sky ~] # pppoe-start |
[root@www ~] # vim /etc/sysconfig/network-scripts/ifcfg-ppp0 DEVICE=ppp0 ONBOOT=no ....(其他省略).... [root@www ~] # chkconfig pppoe-server off |
[root@www ~] # lsusb Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 07d1:3c0a D -Link System DWA-140 RangeBooster N Adapter(rev.B2) [Ralink RT2870] Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub |
[root@www ~] # iwconfig lo no wireless extensions. eth0 no wireless extensions. |
[root@www ~] # iwconfig lo no wireless extensions. eth0 no wireless extensions. ra0 Ralink STA |
[root@www ~] # ifconfig ra0 up <==启动无线网卡 [root@www ~] # iwlist ra0 scan ra0 Scan completed : Cell 01 - Address: 74:EA:3A:C9:EE:1A Protocol:802.11b/g/n ESSID: "yaxin-office" Mode:Managed Frequency:2.437 GHz (Channel 6) Quality=100/100 Signal level=-45 dBm Noise level=-92 dBm Encryption key:on Bit Rates:54 Mb/s IE: WPA Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK ....(底下省略).... |
[root@www ~] # ifconfig ra0 down && rmmod rt3070sta [root@www ~] # vim /etc/Wireless/RT2870STA/RT2870STA.dat Default CountryRegion=5 CountryRegionABand=7 CountryCode=CN <==中国的国码代号 ChannelGeography=1 SSID=yaxin -office <==你的无线路由名称 NetworkType=Infra WirelessMode=9 <==与无线 AP 支持的协议有关 Channel=6 <==与 CountryRegion 及侦测到的频道有关 ....(中间省略).... AuthMode=WPAPSK <==我们的 AP 提供的认证模式 EncrypType=AES <==传送认证码的加密机制 WPAPSK= "123456780aaa" <==无线密码,最好用双引号括起来较佳 ....(底下省略).... |
[root@www ~] # modprobe rt3070sta && ifconfig ra0 up [root@www ~] # iwconfig ra0 ra0 Ralink STA ESSID: "vbird_tsai" Nickname: "RT2870STA" Mode:Auto Frequency=2.437 GHz Access Point:74:EA:3A:C9:EE:1A Bit Rate=1 Mb/s RTS thr:off Fragment thr:off Encryption key:off Link Quality=100/100 Signal level:-37 dBm Noise level:-37 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 |
[root@www ~] # cd /etc/sysconfig/network-scripts [root@www network - scripts ] # vim ifcfg-ra0 DEVICE=ra0 BOOTPROTO=dhcp ONBOOT=no <== 若需要每次都自动启动,改成 yes 即可 ESSID=yaxin -office RATE=54M <== 可以严格指定传输的速率,要与上面 iwconfig 相同,单位b/s |
[root@www ~] # ifup ra0 Determining IP information for ra0... done. |
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